IP Library › Patent Application 09944790
Patent Application Utility Small
App. No. 09/944,790 · Confirmation No. 1819

PROTECTIVE LAYER FOR QUARTZ CRUCIBLES USED FOR SILICON CRYSTALLIZATION

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2001-08-31 TRNA Transmittal of New Application 2 View
2001-08-31 ADS Application Data Sheet 2 View
2001-08-31 SPEC Specification 14 View
2001-08-31 CLM Claims 4 View
2001-08-31 ABST Abstract 1 View
2001-08-31 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/944,790
Filed
2001-08-31
Granted
2002-11-12
Pub. No.
US20020086119A1
Art Unit
1762
PTA
-59 days